2026 3T Cycling Exploro Extrema Italia Base

	S	M	L	XL
Stack	547mm	570mm	590mm	610mm
Reach	358mm	368mm	376mm	384mm
Stack to Reach Ratio	1.53:1	1.55:1	1.57:1	1.59:1
Seat Tube Length, C-T	466mm	491mm	521mm	549mm
Top Tube Length, Actual C-C	529mm	547mm	561mm	575mm
Top Tube Slope	11.6deg	11.1deg	9.8deg	8.8deg
Head Tube Angle	69.1deg	70.5deg	71.5deg	72deg
Seat Tube Angle	73.5deg	73.4deg	73.4deg	73.4deg
Head Tube Length	142mm	158mm	175mm	196mm
Bottom Bracket Drop	79mm	76mm	76mm	74mm
Bottom Bracket Height	287mm	290mm	290mm	292mm
Chainstay Length	437mm	437mm	437mm	437mm
Chainstay Length Horizontal	429.8mm	430.3mm	430.3mm	430.7mm
Front-Center	620mm	612mm	617mm	626mm
Front-Center Horizontal	614.2mm	605.7mm	609.7mm	619.3mm
Wheelbase	1044mm	1036mm	1040mm	1050mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	387mm	387mm	387mm	387mm
Trail	86.2mm very high	76.6mm high	69.7mm high	66.4mm high
Mechanical Trail	80.6mm	72.2mm	66.1mm	63.1mm
Wheel Flop	28.7mm	24.1mm	21mm	19.5mm
Tire to Pedal Spindle	84mm 170 mm cranks	76mm 170 mm cranks	81mm 170 mm cranks	90mm 170 mm cranks
Pedal Spindle to Ground Clearance	117mm 170 mm cranks	120mm 170 mm cranks	120mm 170 mm cranks	122mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:https://3t.bike/collections/extrema-italia

Geometry